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Canadian application, no grantCanada

Bulk explosive charger

CA 2044311 A1 · Owner: Baumgartner, Otto F. · Inventors: Baumgartner, Otto F.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

No Claude kit for weapons

Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.

Abstract From the Canadian patent

There is disclosed, according to the present invention an apparatus and method for loading explosives exhibiting little, water resistance, into water filled blast holes without contamination of the explosives by water. A pressure charger vessel, capable of being filled with bulk explosives of low density and low water resistance, such as ammonium nitrate fuel oil, is connected to a flexible plastic sleeve. A pneumatic plug fixedly connects the lower portion of the pressure charger vessel to the plastic sleeve. The plastic sleeve is lowered into a blast hole by means of a weight. Compressed air is then introduced into the pressure charger vessel and a valve means located between the sleeve …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents.

Google PatentsCIPO record

Why it's free to use

  • Filed June 11, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 11, 1991
GrantedNo grant recorded
Term endedJune 11, 2011
Patent numberCA 2044311 A1
Classification (IPC)F42D1/08 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedJune 11, 1991Term endedJune 11, 2011

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.com

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.